Question about economic, please help me~~~~~

Question A2 (15 marks) [a] Jackson is an engineer in an international company. His annual income is $3 million a year. Due to the outbreak of Coronavirus in Hong Kong and the lack of local production of medical mask, he considers to open a local company to produce this product. Besides the data of monthly operational expenses found in following chart, Jackson needs to spend $40,000 to examine his rented industrial building to ensure a clean factory environment which can meet the ISO 13485 standard before his production starts. In the meantime, he needs to order 2 set of machines which cost $200,000 each from Taiwan. The estimated resell value is $150,000 each after one year. Monthly operational expenses Raw materials 30,000 Salaries (Admin Staff) 90 000 Rent 100,000 20,000 40,000 60,000 80,000 100,000 120,000 Currently, Jackson owns $5 million in shares. To finance the setup capital of this medical mask company, Jackson needs to sell half of his shares which can yield the dividends of 5250,000 a year. In order to run his new company, Jackson has to quit his current job. Since he targets both the local and overseas markets, Jackson estimates the total revenue is $8 million for the first year of operation. Calculate the annual Economic profit of Jackson's new company for the first year of operation. List the cost items and show your workings. Do you recommend Jackson to start his new business? Explain briefly. [10 marks) (b) Ideal Co. Led is a local company which produces medical mask. Due to the outbreak of Coronavirus in Hong Kong, the CEO considers buying a new set of machines to enlarge the production scale. TWO models of the same budget ($200,000) are available and the information is shown below: Model A Model B Resell value after ONE year $115,000 $135,000 Annual repair and maintenance fee $25,000 $20,000 Annual electricity consumption $30,000 $75,000 Which set of machines will you suggest the Company to purchase? Explain briefly with relevant data and working. (5 marks)Question A1 (15 marks) (a) Answer the following questions by using demand and supply analysis for the market of printer. (i) Suppose the production of printer is now completely-automated. Use the demand and supply analysis to explain how it affects the market of printer. What are the effects on the equilibrium price and equilibrium quantity of printer? No diagram is needed but you need to describe how the curve(s) shift(s). (3 marks) (ii) Suppose the price of ink for printers increases substantially recently. Use the demand and supply analysis to explain how it affects the market of printer. What are the effects on the equilibrium price and equilibrium quantity of printer? No diagram is needed but you need to describe how the curve(s) shift(s). (3 marks) (iii) After considering both effects of part (a)(i) and (a)(ii), what are the combined effects on the equilibrium price and equilibrium quantity of printer? Suppose we observe that the quantity sold increases in the market of printer. Provide the theoretical explanation of this possibility and illustrate your explanation with a demand and supply diagram. (5 marks) (b) Nintendo is a consumer electronics and video game company. You conducted a marketing research a month ago and estimated the current supply and demand functions of Nintendo Switch. They are described by the following equations: Supply: QS = 1,000 + 2P Demand: QD = 34,000 - 8P where QD is the quantity demanded (in units) and QS is the quantity supplied (in units). P is the price (in dollar term). Define equilibrium. Calculate the equilibrium price and equilibrium quantity of Nintendo Switch. Show your working. (4 marks)Question A3 (15 marks) Bibi Mobile is the only authorized producer in producing smart phone in Country X which is a small country. Its annual revenue is $4,000,000 and the average total cost per smart phone produced is $5,000. The marginal revenue function and the marginal cost functions are as below: Marginal Revenue function: MR = 12,000 - 10Q Marginal Cost function: MC = 2,000 + 15Q where Q represents quantity. (a) Define the market structure of Bibi Mobile. (2 marks) (b) State the profit maximization condition. According to this condition based on the given information, calculate the profit maximizing price and quantity of Bibi Mobile? What is the total profit (loss) earned by this company? (4 marks) (c) Based on the given information and your answers in part (b), illustrate the situation with a diagram and label the critical data related to price, quantity, cost and profit (loss) condition in the diagram. No explanation is needed. (3 marks) (d) Suppose there is an increase in the minimum wage in Country X and most of the workers are paid on this wage level in Bibi Mobile. Bibi Mobile has recorded a break-even state of profitability afterwards. Illustrate this situation in the same diagram of part (c). Explain. (6 marks)Question A4 (20 marks) Happy Coconut is one of the 500 price taking firms in selling bottles of coconut juice which is a perfectly competitive market in Country H. The equilibrium price of coconut juice is $46 per bottle. The following table presents the costs at different output levels for this company. Output (Bottles of Total Cost Marginal Cost Average Total Cost Coconut Juice) (dollars) (dollars) (dollars) 0 30,000 N.A N.A. 500 39,000 18 78 1,000 45,000 12 45.0 1,500 55,000 20 36.7 2,000 70,000 30 35.0 2,500 93,000 46 37.2 3,000 11,7000 48 39.0 (a) What are the profit maximizing output quantity and price of Happy Coconut? What is the amount profit (loss) made by the company? Show your workings. Explain briefly. (3 marks) (b) Based on the given information and your answers in part (a), draw a set of market-firm diagram and label the critical data of price, quantities, average variable cost and average total cost at the profit-maximizing quantity. Clearly indicate the profit (loss) area in your diagram. No explanation is needed. (6 marks) (c) Suppose there has been a bad harvest of the coconut. Explain how this affects the market of coconut juice and how to make the Happy Coconut suffers from bad time. Explain and illustrate this situation in the same market-firm diagram of part (b). (11 marks) (Remark: Significant mark deduction if the instruction is NOT followed and a new set of diagram is drawn for illustration of part (c) separately.)Question B1 (15 marks) (a) Can "Alipay" be treated as money? Explain in terms of functions of money. (3 marks) (b) The general public of Paula Island holds $688 million cash and there is excess reserve of $564 million in the country's banking system. The following table shows the current balance sheet of the banking system. Assets Liabilities $ (million) $ (million) Reserves 4,230 Deposits 28,200 Loans 23,970 Total 28,200 Total 28,200 (i) Calculate the money supply (M1) and the required reserve ratio of the banking system of the country. Show your workings. (4 marks) (ii) Suppose the country is in the quick expansion stage of the economic cycle so the central bank decides to increase the required reserve ratio by 3% from the current ratio. At the same time, the general public withdraws $950 million from the banking system. Prepare a new balance sheet of the banking system of the county after it is fully loaned up. Show your workings. (4 marks) (c) Refer to question (b)(ii) above, identify the type of monetary policy the central bank conducts with the increase of the required reserve ratio. Explain how the money supply of the country will be affected. (4 marks)